Daniel R. Marcus, M.D.
Specialist · Marina Del Rey, CA
Daniel R. Marcus, M.D. is a specialist with a practice address in Marina Del Rey, California, and NPI 1417061714, issued on Aug 17, 2006. Check the license (California C51003, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Daniel R. Marcus
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- C51003 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4640 Admiralty Way Ste 1020, Marina Del Rey, CA 90292
- Phone
- (310) 305-1813
- Enumerated
- Aug 17, 2006
- Record last updated
- Jul 25, 2025
- Fax
- (310) 821-3555
- Medicare enrollment
- Enrolled (PECOS I20041204000138); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 4640 Admiralty Way Ste 1020
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ravi Vakani, MDNeurology Physician1972869253
Verify Daniel R. Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license C51003Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average specialist in 2024
137 Medicare Part D claims for 81 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Celecoxib69 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $683.15
19 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Daniel R. Marcus among 5,749 specialist records in California
Daniel R. Marcus, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1986 · median 1989 among the 1,075 with a school on file
- Record last updated2025 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 specialist records list a practice address in Marina Del Rey
They are 10 of the 711 NPPES records with a practice address in Marina Del Rey, and 5,749 specialist records in California.
All 5,749 in California → Every provider in Marina Del Rey → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Gary Brazina, M. D.Marina Del Rey, CA 902921376655142
- Sophia Dvorkina, MS.SPED,Marina Del Rey, CA 902921053046821
- Richard Lam, M.D.Marina Del Rey, CA 902921811925258
- Frederic Nicola, M. D.Marina Del Rey, CA 902921184736480
- Nita Patel, M.D.Marina Del Rey, CA 902921295786663
- Mark Scholz, M.D.Marina Del Rey, CA 902921346286093
- William Stevens, M.D.Marina Del Rey, CA 902921689709008
- David Stoker, M.DMarina Del Rey, CA 902921770618480
Common questions
What is Daniel R. Marcus, M.D.'s NPI number?
Daniel R. Marcus, M.D.'s National Provider Identifier (NPI) is 1417061714, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel R. Marcus, M.D. located?
The NPPES record lists a practice address at 4640 Admiralty Way Ste 1020, Marina Del Rey, CA, 90292. Phone: (310) 305-1813. Providers update this record themselves, so call before visiting.
How can I verify Daniel R. Marcus, M.D.'s license?
NPPES lists California license number C51003, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Daniel R. Marcus, M.D. prescribe under Medicare Part D?
In 2024, Daniel R. Marcus, M.D. had 137 Medicare Part D claims for 81 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.